f267211ac6bbb7063b8e6fb93540735f1a9b7318e903c1728a9b3b445e97587f

General

Target

f267211ac6bbb7063b8e6fb93540735f1a9b7318e903c1728a9b3b445e97587f.exe
Size

142KB
MD5

4665f65bf96465764225d19edd7b8f04
SHA1

e89033bde6836c32e094b2065d24536ca71a428d
SHA256

f267211ac6bbb7063b8e6fb93540735f1a9b7318e903c1728a9b3b445e97587f
SHA512

fc4179865a7ab76b1a0f0422a33cb6fe13270677cc310541febc27bafc6ebf19d656b29245a0ff069dc21b23b5a593ace15f098fe808c29053ef185c5695d833
SSDEEP

3072:RHvg4wwFNB9yavgYKPzh+OxqsAiNvc3sPqJBvjB/D:RHvpwwFNB9yMgYKbTrAiN2fjB/D

Score

10^/10

evasion persistence

Malware Config

Signatures

Modifies firewall policy service 2 TTPs 2 IoCs

evasion

Modify Registry

T1112

Modify Existing Service

T1031

description	ioc	Process
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List	f267211ac6bbb7063b8e6fb93540735f1a9b7318e903c1728a9b3b445e97587f.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Users\Admin\AppData\Local\Temp\f267211ac6bbb7063b8e6fb93540735f1a9b7318e903c1728a9b3b445e97587f.exe = "C:\\Users\\Admin\\AppData\\Local\\Temp\\f267211ac6bbb7063b8e6fb93540735f1a9b7318e903c1728a9b3b445e97587f.exe:*:Enabled:test"	f267211ac6bbb7063b8e6fb93540735f1a9b7318e903c1728a9b3b445e97587f.exe

Executes dropped EXE 1 IoCs

pid	Process
1076	spoolsv.exe

Modifies Windows Firewall 1 TTPs 1 IoCs

evasion

Modify Existing Service

T1031

pid	Process
1568	netsh.exe

Loads dropped DLL 2 IoCs

pid	Process
1428	f267211ac6bbb7063b8e6fb93540735f1a9b7318e903c1728a9b3b445e97587f.exe
1428	f267211ac6bbb7063b8e6fb93540735f1a9b7318e903c1728a9b3b445e97587f.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\	f267211ac6bbb7063b8e6fb93540735f1a9b7318e903c1728a9b3b445e97587f.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\test = "spoolsv.exe"	f267211ac6bbb7063b8e6fb93540735f1a9b7318e903c1728a9b3b445e97587f.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system\spoolsv.exe	f267211ac6bbb7063b8e6fb93540735f1a9b7318e903c1728a9b3b445e97587f.exe
File opened for modification	C:\Windows\system\# ::1 localhost	spoolsv.exe
File created	C:\Windows\system\spoolsv.exe	f267211ac6bbb7063b8e6fb93540735f1a9b7318e903c1728a9b3b445e97587f.exe

NTFS ADS 2 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\AppData\Local\Temp\# ::1 localhost	f267211ac6bbb7063b8e6fb93540735f1a9b7318e903c1728a9b3b445e97587f.exe
File opened for modification	C:\Windows\system\# ::1 localhost	spoolsv.exe

Suspicious behavior: EnumeratesProcesses 24 IoCs

pid	Process
1428	f267211ac6bbb7063b8e6fb93540735f1a9b7318e903c1728a9b3b445e97587f.exe
1428	f267211ac6bbb7063b8e6fb93540735f1a9b7318e903c1728a9b3b445e97587f.exe
1428	f267211ac6bbb7063b8e6fb93540735f1a9b7318e903c1728a9b3b445e97587f.exe
1428	f267211ac6bbb7063b8e6fb93540735f1a9b7318e903c1728a9b3b445e97587f.exe
1428	f267211ac6bbb7063b8e6fb93540735f1a9b7318e903c1728a9b3b445e97587f.exe
1428	f267211ac6bbb7063b8e6fb93540735f1a9b7318e903c1728a9b3b445e97587f.exe
1428	f267211ac6bbb7063b8e6fb93540735f1a9b7318e903c1728a9b3b445e97587f.exe
1428	f267211ac6bbb7063b8e6fb93540735f1a9b7318e903c1728a9b3b445e97587f.exe
1428	f267211ac6bbb7063b8e6fb93540735f1a9b7318e903c1728a9b3b445e97587f.exe
1428	f267211ac6bbb7063b8e6fb93540735f1a9b7318e903c1728a9b3b445e97587f.exe
1428	f267211ac6bbb7063b8e6fb93540735f1a9b7318e903c1728a9b3b445e97587f.exe
1428	f267211ac6bbb7063b8e6fb93540735f1a9b7318e903c1728a9b3b445e97587f.exe
1076	spoolsv.exe
1076	spoolsv.exe
1076	spoolsv.exe
1076	spoolsv.exe
1076	spoolsv.exe
1076	spoolsv.exe
1076	spoolsv.exe
1076	spoolsv.exe
1076	spoolsv.exe
1076	spoolsv.exe
1076	spoolsv.exe
1076	spoolsv.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1428 wrote to memory of 1568	1428	f267211ac6bbb7063b8e6fb93540735f1a9b7318e903c1728a9b3b445e97587f.exe	26
PID 1428 wrote to memory of 1568	1428	f267211ac6bbb7063b8e6fb93540735f1a9b7318e903c1728a9b3b445e97587f.exe	26
PID 1428 wrote to memory of 1568	1428	f267211ac6bbb7063b8e6fb93540735f1a9b7318e903c1728a9b3b445e97587f.exe	26
PID 1428 wrote to memory of 1568	1428	f267211ac6bbb7063b8e6fb93540735f1a9b7318e903c1728a9b3b445e97587f.exe	26
PID 1428 wrote to memory of 1076	1428	f267211ac6bbb7063b8e6fb93540735f1a9b7318e903c1728a9b3b445e97587f.exe	27
PID 1428 wrote to memory of 1076	1428	f267211ac6bbb7063b8e6fb93540735f1a9b7318e903c1728a9b3b445e97587f.exe	27
PID 1428 wrote to memory of 1076	1428	f267211ac6bbb7063b8e6fb93540735f1a9b7318e903c1728a9b3b445e97587f.exe	27
PID 1428 wrote to memory of 1076	1428	f267211ac6bbb7063b8e6fb93540735f1a9b7318e903c1728a9b3b445e97587f.exe	27

C:\Users\Admin\AppData\Local\Temp\f267211ac6bbb7063b8e6fb93540735f1a9b7318e903c1728a9b3b445e97587f.exe
"C:\Users\Admin\AppData\Local\Temp\f267211ac6bbb7063b8e6fb93540735f1a9b7318e903c1728a9b3b445e97587f.exe"
1⤵
- Modifies firewall policy service
- Loads dropped DLL
- Adds Run key to start application
- Drops file in Windows directory
- NTFS ADS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1428
- C:\Windows\SysWOW64\netsh.exe
  netsh firewall add allowedprogram 1.exe 1 ENABLE
  2⤵
  - Modifies Windows Firewall
  PID:1568
- C:\Windows\system\spoolsv.exe
  "C:\Windows\system\spoolsv.exe"
  2⤵
  - Executes dropped EXE
  - Drops file in Windows directory
  - NTFS ADS
  - Suspicious behavior: EnumeratesProcesses
  PID:1076

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Modify Existing Service

2

T1031

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\system\spoolsv.exe

Filesize
142KB

MD5
4665f65bf96465764225d19edd7b8f04

SHA1
e89033bde6836c32e094b2065d24536ca71a428d

SHA256
f267211ac6bbb7063b8e6fb93540735f1a9b7318e903c1728a9b3b445e97587f

SHA512
fc4179865a7ab76b1a0f0422a33cb6fe13270677cc310541febc27bafc6ebf19d656b29245a0ff069dc21b23b5a593ace15f098fe808c29053ef185c5695d833

Download Submit
\Windows\system\spoolsv.exe

Filesize
142KB

MD5
4665f65bf96465764225d19edd7b8f04

SHA1
e89033bde6836c32e094b2065d24536ca71a428d

SHA256
f267211ac6bbb7063b8e6fb93540735f1a9b7318e903c1728a9b3b445e97587f

SHA512
fc4179865a7ab76b1a0f0422a33cb6fe13270677cc310541febc27bafc6ebf19d656b29245a0ff069dc21b23b5a593ace15f098fe808c29053ef185c5695d833

Download Submit
\Windows\system\spoolsv.exe

Filesize
142KB

MD5
4665f65bf96465764225d19edd7b8f04

SHA1
e89033bde6836c32e094b2065d24536ca71a428d

SHA256
f267211ac6bbb7063b8e6fb93540735f1a9b7318e903c1728a9b3b445e97587f

SHA512
fc4179865a7ab76b1a0f0422a33cb6fe13270677cc310541febc27bafc6ebf19d656b29245a0ff069dc21b23b5a593ace15f098fe808c29053ef185c5695d833

Download Submit
memory/1076-70-0x0000000000400000-0x0000000000493000-memory.dmp

Filesize
588KB

Download
memory/1076-67-0x0000000000400000-0x0000000000493000-memory.dmp

Filesize
588KB

Download
memory/1428-57-0x0000000000400000-0x0000000000493000-memory.dmp

Filesize
588KB

Download
memory/1428-54-0x0000000000400000-0x0000000000493000-memory.dmp

Filesize
588KB

Download
memory/1428-65-0x0000000002320000-0x00000000023B3000-memory.dmp

Filesize
588KB

Download
memory/1428-56-0x00000000754E1000-0x00000000754E3000-memory.dmp

Filesize
8KB

Download
memory/1428-66-0x0000000002320000-0x00000000023B3000-memory.dmp

Filesize
588KB

Download
memory/1428-68-0x0000000000400000-0x0000000000493000-memory.dmp

Filesize
588KB

Download
memory/1428-55-0x0000000000400000-0x0000000000493000-memory.dmp

Filesize
588KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads